Log turner



Nov. 17,1925. j 1,562,256

U.J.RAYMOND LOG T RNER Filed Dec. 16, 1922 h. H l

Patented Nov. 17, 1925.

. UNITED STATES omuox J. RAYMOND, or sE'ArT nwAsHINeroN.

LOG TURNER.

Application filed December 16, 192 2. seriaino. eoaaea To all whom it may concern: r r 1 Be it known that I, ULRICK J. RAYMOND, a citizen of the United Statesof America, and resident of the city of Seattle,.in the county of King and State of Washington, have invented certain new and, useful Inre provements in Log Turners, of, which'the following is a specification. My invention relates to logjturners such as are used in saw mills, particularly at the head saw, for turning and handling logs upon the set-works carriage. are sometimes termed niggers.

The principal object of my invention is to provide a nigger or log turner which will ordinarily be rigid but which will hate sui fioient inherent flexibility that it will not be broken by a continuation of the logs-end wise movement after its engagement the logturner. 6

A further object is the provision of means for adjusting the degree of flexibility of these arms. v

A further object is the provision'of means permitting easy and quick replacement of a broken log turning arm. I i

A further object isthe provision of means f whereby the parts of the log turning arm maybe quickly disassembled for inspection or repair.

My invention comprisesthose novel parts and combinations thereof which are shown; in the accompanying drawings, described in the specification, and particularly defined by the claims terminating the same.

In the accompanying drawings I have shown my invention in the form which is now preterred by me. p

Figure 1 is a perspective view of asetworks carriage and my log-turner shown operating upon a log carried upon the carriage.

Figure 2 is a plan view and partialsection through my log-turning arm...

The log turners most commonly employed in connection with saw mill set-works require that the set-works carriage be brought to a dead stop prior toengagement of the log turner arm with the log, for otherwise the log turning arm, being itself rigid and quently the whole mill, for the speed of op: eration (if-the mill depends, in large meas- These devices I ure, on the speed of the head saw. Further, the necessity of replacing broken log turning arms causes entire suspension of work at the headsaw for a considerable period of time. This isa matterof somewhat frequent occurrence in the. desire to speedup workby engaging the log with the turning arm at the instant the carriagecomes to a stop, and the consequent misjudging of the speedof the .carriage and engagement of the log prior to its complete stoppage. By

the use of: my device it is possible to en- 7 gage; the log with the turning arm prior to the carriage comingto a stop, and intact to start turning the log prior .to stopping the carriage, and this without danger of breakage of the turning arm. The increase in speed which is-prmittedbythis arrangementiwill beobvious. M

As is common ypractice ,in, present turners a swinging arm or armsl is mounted ,uponyashaft 10, and upon the outer end. I ofthis arm 1 is sup'portedthe logengaging,

arm, the latter, and the arm .1, being operated through ,a pistonrod l 11- directly connected thereto..; It is also common practice to secure onjthe-shaft 10, to oscillate freely thereon, bumper arms .12, these being con-f trolled througha secondpiston rod di rectly connected tothe bumper arms. The

latter, however, form no part of my inven: tion and are only includedinthe drawing for the purpose, of better illustration. 7 The shaft 10 is mounted parallel tothe tracks 2l-upon which the' set works carriage 2 is movable. .The log L is supported upon head blocks 22' extending transversely of the carriage andis held in positionthereon by knees 23.,,.

The log-engaging arm is similar to log engag ng arms now employed in connection with apparatus of the type heretofore de; scribed, except that it is formed in two' parts instead of beinga singlef rigid arm. The inner part 3 is the supporting part and is pivotedinthe armor arms 1 at 31. tension 30 may be provided, as is common, to which is connected the piston rodll to control the movement of the log-engaging arm. In its outer end theinner or supporting part 3, is provided with a recess 32. Within this recess fits the inner end of the,

outer part 4: of the log-turningarm. The Y I outer end of the part 4:, as is common, is,

provided 'with a hook or dog 41., which. is,

the portion that actually engages the log to turn'it. i I

The two parts-3 and 4c-arepivota1ly**connected, a pivot pin 3% being passed through the outer end of thein-ner-part S a-nd the inner end of the outer part in s 'uclini anner that the outerpart 4 may sWing' 'rela- 'tive to the inner part 3 in the direction of movement of the log L and'carriage' 2.

The two parts 3 and 4 are normally maintained in alinemehtivith eachother. The inner part3 is provided adjaoht to "its s'vv'iiigihg ehd 'vv'ith "two lat eral" bosses which are" provided with internal; pockets opening i rito opposite sides oatmealtra l 'reo'ess 32; apertured cap 86 is pref- 'til ably secured to the 1 outer extremity of each the bosses 33 for =the purposef of closing-thorium? ends of the potketswes, the ea s -36"bei ngreadilyiemovable. A bolt 37 is passert -freely througlr the' fapertu-re in" eaeh cap ee, iand "an internal adjusting iiut "-38' threadedon'feachof the bolts 87, the? nuts-"88 serving to limit inward 1 moveinnt 'of the bb'l tsfil evenin retainer the bblts "37 Within the corresponding re- Bess 82-. nhneaieeaieressisn-sp in 5 'is interposed between each spring retainer '89 and v the oorresp oi'idihg 'cap 36. I

"The retainers" 39 bf thebblts 37 are' 'arto be'ar"-L upon op'p'osite' sides of'fthe inner end 43 of "the outer 'part' gamma-1 c was pie-ea in er. fByfproperly"adjusting Q: on

the tnsions upoif tjhe compression-springs 5 through? the nuts 38, theouter" part" 4 ma be? held inline v vith the' ma imm 3 to ino've in afeoniihon L plane Xoept "when the outer and 0f fthe p'a rt 4fi's- *i" V ved 'from that plane; by 'engageinent Wltl'f'a movin gf log L. This h as been indibated Flay dotaiid dash fliiies im Figure 1. IPdesiredto remove either i or bdth o-f the speings '5 Pthis may be accomplished ibyre'moving the corresponding cap 8GQ Rivhreupon' the spring audits-adjusting meansinay be ib-i'noi ed as ztfiinit. r f I TIw Operatim bfmy device 'wvill-beapf parent from the foregoing description It is only desired to p'oint 'o'ut" that -by this alog" maybefl engaged before. the carriage come to stop, whereupon-cum part etof th -ieg uirni rig armwili merel bedefieeted, and 1nay-"duringthis deflection operate to"turn the-1 0g in 'the usual man-- ner. "By 'pro' vldinga yielding oint iii t'lie 10 turning arm thedanger of breakage is greatly mi imized. "If; however, breakage should occur, in-"ord'ei-"toreplace the broken part, which would ordinarily be the part l, it is only-necessa to"removethPpiVot pin 3ft and ,t'dfslack off 'on the 'press'ui'e of the" springs FY-by" screwing up thefadj-usting nuts- 38 or by removing the caps Z36. Itis then simple matter to insert a new part l and to readjust the tension of the springs. Such an operation would require but asfew minutesand 110 special" tools other than a we Wrench.

VY-hatl claim as my invention is: V

1; In combination, means for supporting a log, and a two-part arm movable trans:

versely of and over a log resting upon said support to tu-rn"the log about its longitudefiectablelaterttlly bfiaid plane and along 3. In a log turnen: a- 'iegaeeniag aem formediiir twoparts; the outer or logeii'g ag-r i'ngpart being pivoted atit's inner -end-' up on the inner or supporting -p'art,' to Ebe -"mOV- able I relative thereto transversely of i the 7 arm, and spring-means iiltrposed bettv een the inner and outer parts to imaintain-them normally in predetermined relatioirsliip.

formed{Pin tivo pairtsfthetout'er or log-engaging part being pivoted at its' inner 'end upon the inner' or fsupporting part, L to be movable relative thereto tiansve'rsely --or"-?the arm, spring means interposed-between the i'iiriir and out'ei pa rt's to inaintain'ithem no.1" mally in predeter'minecl -''i"ela tionship l and ineun'ffcs relieving s'aidrbuter from the action of said spring means. V. V 015111 a- Qg turner; U log-turning arm famed- 111 t vvo pa rts; "the outer or l'og engaging part-havihg M afip'ortion of a pivot bearing betweeif its ends,- the inner- "or supporting part having eiiipleinental portions of s hon-bearing at its enter endengageable vvith those of the log-engaging mm, and compression springs intrposed 'betvveen the supporting part of" said arm and each side'of thehiiner end of thelog engaging part the eof; to' permit yielding of the in s engaging part relative to the supporting part transversely of the arm.

6. In a log t'urner;-'a l'og tuming' arm formed in "twov'parts; the outer or-log'-'engaging part- -ha'i"ing a 'p'ort-ion of' a:'='pivot bearing betwe'en its ends; the inner ois so poitingpara having ooinl'a'l'emental portions of a pivot bearing at "its outer =end: engage able With those of the log-engagingi part,

(r'o'mpres'sion spring-s interposed between the supporting. a'rt of'siaid arm and eaclr side oft'he nner-- end of the log-engaging-partthereoffibo per-nut yielding of the? log-e115 gaging part relative to the supporting part transversely of the arm, and means for bod ily removing said springs from the supporting part.

. justing nut threaded upon each bolt, a

7. In a log turner, a two-part log-engaging arm, the inner part being movable in a plane perpendicular to the direction of movement of the log, and having a recess in its outer end, the outer part of said arm having its inner end received in said recess, a pivot pin passing through said inner and outer parts of the arm to permit swinging of the outer part relative to the innerpart transversely of the arm, and springs secured in the inner part and bearing upon each side of the outer part'inivardly of its pivot. I

8. In a log turner, a two-part log-engaging arm, the inner part being movable in p a plane perpendicular to the direction of movement of the log, and having arrecess 111 its outer end, said inner part having also a pair of transversely-extending pockets opening into opposite sides of said recess,

the outer part of said arm having its inner'end received in said recess, a pivot pin passing through said inner and outer parts of the arm to permit swinging of theouter part relative to the inner part in the direction ofmovement of the log, and a compression spring seated in each of said pockets andbearing upon eachside of the outer part inwardly of its pivot. 7

9. In a log turner, a two-part. log-engaging arm, the inner part; being movable in a plane perpendicular to the direction of movement of the log, and having a recess in its outer end, said inner part having also a pair of transversely-extending pocketsopening into opposite sidesv of said recess, the outer part of said arm having its inner end received in said recess, a pivot pin passing through said-inner and outer parts of the arm to permit swinging of the outer part relative to the inner part in the direction of movement of the log, a bolt passing out from each of said pocket-s, an external adspring retainer upon the inner end of each bolt, the inner ends of said bolts bearing upon opposite sides of the outer part in wardly of its pivot, and a compression spring interposed between each spring follower and the bottom of the pocket through which the bolt thereof passes.

10. In a log turner, atwo-part log-engaging arm, the inner part being movable in a plane perpendicular to the direction of movement of the log, and having a recess in its outer end, said inner part hav-. ing also a pair of transversely-extending pockets opening into opposite sides of said recess, a removable apertured cap closing the outer end of each pocket, abolt passing through each of said apertures, an external adjusting nut threaded upon each bolt, a

laterally of said plane.

18. A logturner'comprising a two-part spring retainer upon the inner end of each bolt, a compression spring surrounding each bolt and interposed between its. cap and normally pressed upon from opposite sides by said springs, to retain the two parts of the arm normally rigid. b

' 11. A log turner comprising a two-part arm one part of which is swingable only in flectable laterally of said plane, s-aid arm being subjected to tension duringturningof a log.

a plane and the other part of which is dey 12. A log turner comprisinga log en-,

gaging part formed to reach over' a log and a supporting part normallyv substantially aline'd with said log-engaging part, said supporting part being movable only in a plane- 'and said log-engaging partbeing deflectable arm one part of which is engageable directly with the top of a log and the other part of which is formed. to support saidllog+engaging part, said supporting partbeing swingable only in a. plane toward and away from the log, and said logo-engaging part being resiliently supported by said supporting part. p 7

14. A lo turner com r1s1n a member swingable toward and away from a log abouta fixed pivot, and a two-partarm pivotally associated with the swinging end of said pivoted member, onepartof said arm being resiliently supported by the other part and said parts normally being in sub stantial alinement. G

15. A log turner comprising a member movable about a lower pivot only in a plane 7 transverse relatively, "to the direction of movement of the log, and an arm pivotally associated witlrth'e upper swinging-extremity of said member, said arm'being formed to engage the top oflo-g and the log-enga ing portion of said arm being defiectab e laterally of said plane.

16. A log turner comprising a two-part arm one part of which is swingablev only which is normally substantially in line with said first mentioned part and is defiectable laterally of said plane, and a compression spring for normally maintaining said parts ULRICK J. RAYMOND.

v in a definite plane and the other' part of I 

